import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:何人亮
 * Date:2024-05-03
 * 20:27
 */
public class Test {
    public static void main(String[] args) {
        Scanner scan=new Scanner(System.in);
        int n=scan.nextInt();
        for (int i=0;i<n;i++){
            for (int j=0;j<n;j++){
                if (i==j||i+j==(n-1)){
                    System.out.print("*");
                } else {
                    System.out.print(" ");
                }
            }
            System.out.println();
        }
    }
}
